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CompanyCompany profileReviewed 2026-10-23

AMERICAN TOWER CORP /MA/

American Tower Corporation (also referred to as American Tower or ATC) is an American real estate investment trust which owns, develops and operates wireless and broadcast communications infrastructure in several countries. It is headquartered in Boston, Massachusetts.

Sources and references ↗
COMPANY PROFILE / 17 SOURCE-LINKED FIELDS

Basic company information

Each field links to its source. Financial figures retain their reporting periods; background references are identified in the source list.

Ticker / security symbols
AMT [1]
Listing exchanges
NYSE [1]
SEC industry
Real Estate Investment Trusts [1]
Business sectors
real estate investment trust [2]
Company / filing name
AMERICAN TOWER CORP /MA/ [1]
Headquarters location
Boston [2]
Business address
222 BERKELEY STREET, BOSTON, MA, 02116 [1]
Founded
1995 [2]
Legal form
Delaware corporation [2]
Incorporation jurisdiction
Delaware, United States [1]
Annual revenue
USD 10,711,100,000 · reported year 2022 [2]
Fiscal year end
December 31 (SEC record) [1]
ISIN (reported securities)
US03027X1000 [2]
CIK
0001053507 [1]
SIC code
6798 [1]
Country in background record
United States [2]

Company positioning and business

American Tower Corporation (also referred to as American Tower or ATC) is an American real estate investment trust which owns, develops and operates wireless and broadcast communications infrastructure in several countries. It is headquartered in Boston, Massachusetts. [3]

As of December 31, 2025, the company owns 149,686 communications sites, including 42,224 sites in the U.S. and Canada, 27,857 sites in Asia-Pacific and Africa, 32,524 sites in Europe, and 47,081 sites in Latin America. [3]

Background text: Wikipedia contributors, American Tower. Selected introductory paragraphs, licensed under CC BY-SA 4.0. Official filing data is cited separately.

Understanding company scale

Annual revenue: USD 10,711,100,000 · reported year 2022. [2]

Financial year, securities and disclosures

The SEC submissions record gives AMERICAN TOWER CORP /MA/ a fiscal year end of 1231 (MMDD). Individual filings below identify their own reporting period; the filing date is the publication event, not the financial year end. [1]

Listed securities: AMT (NYSE). Multiple symbols may represent different share classes or securities of the same registrant. [4]

History and key events

  1. Founding / inception date recorded in Wikidata. [2]

  2. Form 10-K filed; reporting period ends 2025-12-31. [5]

Financial results and regulatory disclosures

Annual, quarterly and current reports from the collected SEC record. Insider Forms 4 and 144 are excluded. This is a selected list, not a live filing feed.

Source-verified relationships

AMERICAN TOWER CORP /MA/ → Listed on → NYSE [1]
AMERICAN TOWER CORP /MA/ → SEC industry classification → Real Estate Investment Trusts [1]

Companies in the same industry

Comparison candidates share the SEC SIC classification 6798. This does not imply ownership, partnership or trading relationships.

Related entities and concepts

Frequently asked questions

When was AMERICAN TOWER CORP /MA/ founded?

Founded: 1995. The linked source provides the background record. [2]

Where is the headquarters of AMERICAN TOWER CORP /MA/?

Headquarters location: Boston. The linked source provides the background record. [2]

Which business sectors are recorded for AMERICAN TOWER CORP /MA/?

Business sectors: real estate investment trust. The linked source provides the background record. [2]

RELATION MAP

AMERICAN TOWER CORP /MA/ relationship map

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AMERICAN TOWER CORP /MA/

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2 verified direct relationships. Industry peers are not relationship edges.

Sources and review dates

  1. SEC — AMERICAN TOWER CORP /MA/ filing identity and securities ↗
  2. Wikidata — company background record (CC0) ↗
  3. Wikipedia contributors — American Tower (CC BY-SA 4.0) ↗
  4. SEC securities directory ↗
  5. Company chronology / filing ↗

Reviewed 23 October 2026. Financial periods and historical event dates are shown separately. Figures reflect their stated source dates; this page is not a live quote or investment recommendation.

Content preparation: source-based compilation with AI assistance. See methods and attribution. Named sources identify the underlying records; no individual expert review is claimed.